SimpleX Network

Aplicativo Descentralizado

A messaging network, and the SimpleX Chat apps built on it, that uses no user identifiers of any kind: no phone number, username or account ID. Two people connect through one-time invitation links or QR codes, and each conversation runs over separate, unidirectional message queues held on relay servers (SMP servers), with files on separate file servers (XFTP). Relays see only queue addresses, not who is talking to whom, and only the client devices hold information about users, contacts and groups, which the project says avoids the metadata exposure of federated networks. Messages use double-ratchet end-to-end encryption with an additional encryption layer. Anyone can run a relay, and the apps ship with preset relay operators, including SimpleX Chat Ltd and Flux. The apps run on iOS, Android and desktop, and there is a terminal app .

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Detalhes

Licença Copyleft (AGPL-3.0). The SimpleX and SimpleX Chat names and logos are covered by a separate trademark policy and assets licence. https://github.com/simplex-chat/simplex-chat (apps and chat core); https://github.com/simplex-chat/simplexmq (relay server and protocols)
Status de Dev 🟢 Ativo
Proprietário SimpleX Chat Ltd (named in the project's privacy policy as an operator of the preset relay servers and the notification servers); the code is published under the simplex-chat GitHub organisation
Órgão de Governança SimpleX Chat Ltd; no external governance body is described
País United Kingdom (SimpleX Chat Ltd is registered in London, per its privacy policy)
Ano de Início 2019
Stack Haskell, Kotlin, Swift and TypeScript (the repository's main languages); SimpleX Messaging Protocol (SMP) servers, an XFTP file protocol, a chat protocol and a whitepaper; double-ratchet encryption
Financiamento Investment (the project reports an investment from Jack Dorsey and Asymmetric in August 2024 and a Wefunder crowd-investment campaign) and donations
Última Investigação 29 de out. de 2026

Domínios de Caso de Uso

Comunicação Evolução de Plataformas e Soberania

Capacidades

Criptografado de ponta a ponta Autoalojável Federação de protocolos

Aplicativo Descentralizado Atributos

Origens Messaging with no user identifiers, built so that the network cannot see who communicates with whom, rather than merely hiding message content; the project's stated aim is the first messaging platform without user identifiers
Banco de Dados Data lives on each device; relay servers hold queued messages only until delivery, per the project's description of its design
Linguagem de Consulta N/A
Formatos de Dados SimpleX Messaging Protocol and chat protocol messages, with the formats given in the project's protocol documents and whitepaper
Edição Colaborativa em Tempo Real N/A
Edição de Texto Rico Not stated by the project.
Suporte Móvel Yes: iOS (App Store and TestFlight) and Android (Google Play and APK)
Suporte Web No: the README describes mobile, desktop and terminal apps and no web app
Aplicativos Nativos Yes: iOS, Android and desktop apps
Termos Free to use; AGPL-3.0 source; the project asks for donations
Fundos Not stated by the project.
Baseado Em The double-ratchet algorithm (as used by Signal) with an additional encryption layer; unidirectional message queues and a custom relay protocol
Categoria de Caso de Uso Private messaging, group chat and calls
Tipo de Interface de Usuário Mobile and desktop apps, plus a terminal (command-line) app
Capacidades Offline Messages are queued on relay servers until the recipient connects; there is no offline or local-network mode in the cited sources
Recursos de Colaboração Direct chats, groups, voice and video calls, file transfer
Portabilidade de Dados Local database export is provided by the apps (the project documents managing data and migrating to a new device); there is no account to port
Ecossistema de Integração A published chat protocol, documented in the project's reference section
Exportação de Dados da Web2 Not stated by the project.
Coerência Pró-social Not stated by the project.
Fluxos Econômicos None: no payment, token or marketplace feature.
Governança e Tomada de Decisão Decided by the company; development is open and contributions are invited through GitHub
Mídia / Publicação N/A
Gestão do Conhecimento N/A
Sensemaking N/A
Gestão de Projetos N/A
Modelo de Comunicação Asynchronous messaging through relay servers using separate unidirectional queues per connection; peers do not share a user identifier
Resiliência de Rede Relays can be run by anyone and a client can use several relay operators; the default relays are run by SimpleX Chat Ltd and Flux, and iOS push notifications currently go through SimpleX Chat Ltd's servers
Mecanismo de Descoberta None by design: contacts are added by one-time links or QR codes; the project's documentation also lists a SimpleX Directory service
Participantes Máximos Not stated by the project.
Soberania de Dados High for content and contacts, which stay on user devices; relays hold only transient encrypted queues